| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 02360478 |
| Collector | S. A. Spongberg with [data not captured] |
| Collector number | 64-220 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Gunnison County |
| Locality | along the Castle Pass Trail along Castle Creek, just west of the West Elk Wild Area boundary, a mile or so west of Castle Creek Cow Camp |
| Date Collected | 1964-08-02 |
| Verbatim Elevation | around 9000 feet |
| Habitat | mud between large clumps of willows, in the open meadow along Creek |
| Container | Plants of the Gunnison Basin: Gunnison, Saguache, and Hinsdale Counties, Colorado |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7f8a2e9b-bde5-4646-960a-0e09659f3623 |
| Harvard University Herbaria Barcode | 02360478 |
| Herbarium | A |
| Family | Polygonaceae |
| Determination | Polygonum douglasii Greene |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
